diff --git a/app/models/loan_repayment_schedule.py b/app/models/loan_repayment_schedule.py
index 17800ce..e55a933 100644
--- a/app/models/loan_repayment_schedule.py
+++ b/app/models/loan_repayment_schedule.py
@@ -327,6 +327,7 @@ class LoanRepaymentSchedule(db.Model):
         schedule.updated_at = now
 
         db.session.commit()
+    # Calculate penal charge
     @classmethod
     def calculate_penal_charge(cls, schedule):